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wresize & resizeterm (Was: derwin problems)
From: |
Roger Gammans |
Subject: |
wresize & resizeterm (Was: derwin problems) |
Date: |
Tue, 7 May 2002 19:34:59 +0100 |
User-agent: |
Mutt/1.2.5i |
On Sun, May 05, 2002 at 11:48:25AM +0200, Gernot Hillier wrote:
> BTW: The SIGSEGV you experienced with free and malloc are only some
> indications of memory corruption caused earlier. You get better bt's when
> linking to libefence. (LD_PRELOAD will do the trick, no recompile is
> necessary IMHO).
I've been tracking something related here , last week.
With 5.0, I saw clear memoery corruptionm where a malloc
block overflows (eg written to above it's end).
5.2-20020119a as mentioned in the debian BTS is certainly more
stable, but I'm still see odd problems with wresize and
resizeterm.
wresize failling inside resizeterm - is particulary annoying,
beacuse I follow it resizing my windows anyway, but if
any wresize call fails LINES & COLS aren't setup correctly
so it becomes impossible to newwin the new screen size.
I've been playing with a patch do this before in resizeterm
before calling wresize so it is always done.
I've also been considering something like a new window flag
to indicate it's owner resized.
However, while these changes seem to make it more stable I'm not
sure they actually fix the error.
> > > I've created a fairly simple program that does this. If you would like I
> > > can attach it (I wasn't sure if you can have attachments in this list).
> >
> > I've seen a couple of related reports in Debian, but don't have a simple
> > program to exercise it.
Im going to try to create a simplified version of my app to
see if I can trigger it with that which I'll make available.
Did I see someone mention a trace replay tool in the debian bug a
archives though - is that available?
--
Roger.
Master of Peng Shui. (Ancient oriental art of Penguin Arranging)
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